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Properties of substance:

phosphorus(V) chloride

Synonyms:

phosphorus pentachloride

Group of substances:

inorganic

Physical appearance:

colorless tetragonal crystals

Empirical formula (Hill's system for organic substances):

Cl5P

Structural formula as text:

PCl5

Molar/atomic mass: 208.24

Sublimation point (°C):

159-300

Solubility (g/100 g of solvent):

carbon disulphide: soluble [Ref.]
carbon tetrachloride: soluble [Ref.]
iodine monochloride: soluble [Ref.]
phosphorus(V) trichloride oxide: very soluble [Ref.]
water: reaction [Ref.]

Density:

2.11 (20°C, g/cm3)

Vapour pressure (Torr):

10 (78°C)
100 (116.8°C)

    Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

    -435.6 (s)

    ΔHsublimation (kJ/mol):

    63.2

    Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

    -366.9 (g)

    Standard molar entropy S0 (298.15 K, J/(mol·K)):

    364 (g)

    Molar heat capacity at constant pressure Cp (298.15 K, J/(mol·K)):

    113 (g)

    Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

    -443.5 (s)

    Critical temperature (°C):

    372

    References:

    1. Inorganic Syntheses. - Vol. 1. - New York and London, 1939. - pp. 99-100
    2. Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.3. - Л.: Химия, 1976. - pp. 134 [Russian]
    3. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 208-209 [Russian]
    4. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 440 [Russian]
    5. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 455 [Russian]
    6. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 108 [Russian]
    7. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 238-239 [Russian]
    8. Фурман А.А. Неорганические хлориды (химия и технология). - М.: Химия, 1980. - pp. 294-295 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru